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14 Piping installation
2×
PH2
SW8
≤ 3.2 N•m
17 Attach the damper wires.
▪ Attach the damper wire on the refrigerant piping, in the
indicated places. Make sure the wire is tight, but do not pull
on it excessively.
▪ Leave 20 cm of wire between the fixation on the pipe and
the entry into the switch box in order to be able to put back
the switch box.
▪ Bundle the damper wire if needed.
BS4A
d
c
b
BS6~12A
d
c
b
a
Damper wire
b
Tie wrap to fix damper wire to piping (field supply)
c
Tie wrap to bundle the damper wire (field supply)
d
Leftmost wire fixing plate
To re-install the switch box
18 Lift the switch box, slide it backwards and lower it a short
distance.
19 Install and tighten the 4 screws. It is not required to tighten the
M8 bolts again.
Installation and operation manual
28
a
a
b
4×
SW8
≤ 3.2 N•m
20 Close the BS unit. See
"13.3.3 To close the
14
Piping installation
CAUTION
See
"2 Specific installer safety
sure this installation complies with all safety regulations.
14.1
Installation limitations
The illustration and table below show the installation limitations.
unit" [ 4 23].
instructions" [ 4 6] to make
BS4~12A14AJV1B
VRV 5 branch selector unit
4P670163-1 – 2022.02
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